98986399 has 4 divisors (see below), whose sum is σ = 99947536. Its totient is φ = 98025264.

The previous prime is 98986369. The next prime is 98986417. The reversal of 98986399 is 99368989.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 98986399 - 2¹¹ = 98984351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98986339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480414 + ... + 480619.

It is an arithmetic number, because the mean of its divisors is an integer number (24986884).

Almost surely, 2^98986399 is an apocalyptic number.

98986399 is a deficient number, since it is larger than the sum of its proper divisors (961137).

98986399 is a wasteful number, since it uses less digits than its factorization.

98986399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961136.

The product of its digits is 7558272, while the sum is 61.

The square root of 98986399 is about 9949.1908716237. The cubic root of 98986399 is about 462.5853150625.

The spelling of 98986399 in words is "ninety-eight million, nine hundred eighty-six thousand, three hundred ninety-nine".